Astrophotography by Keith B. Quattrocchi
For July 12, 2021 APOD Version Click This Link
M27: The Dumbbell Nebula
Planetary Nebula in Vulpecula
LRGB with Ha/S-II/OIII
Published: APOD July 12, 2021
Keith B Quattrocchi and Bray Falls
Image Acquisition Information
Telescope: 16" RCOS Richey Chretien Telescope (ion milled at f/9)
Camera: ZWO Full Frame Back Illuminated CMOS ASI 6200 MM
Guiding: Starlight Xpress AO with UltraStar Autoguiding Camera (AO control using maxim DL software).
Filters: Astrodon LRBG, H-alpha, S-II and OIII Filters
Acquisition Programs: The SkyX, CCDAutopilot 5, FocusMax, Maxim DL
Processing Programs: CCDStack, Photoshop CS4, PixInsight
Date: Data processed July 4, 2021. Data acquisition: April 23, 2021-July 2, 2021
Time: 7 x10 min = 1.1 hour) for each of L,R,G,B and Ha for a total of 7.7 hours.
Image Information: NGC 5457 is a planetary nebula in Vulpecula.
Processing Information This LRGB images were obtained using AstroDon filters. The LRGB and Ha/S-II/OIII images were assembled in CCDStack. The assembled image and a Luminance were recombined in Photoshop. Further stretching, high pass filtering and background smoothing was performed with Adobe Photoshop CS/4 and PixInsight All data stretching was by without DDP CCD Stack and then further stretching .
The Lost Valley Observatory
Located at Sierra Remote Observatories
Keith B Quattrocchi